Modal analysis using FEM: Difference between revisions

Revision as of 19:54, 4 July 2010

Revision as of 08:41, 25 July 2010

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it will take the form of the latter.<ref> Thomson, William T., '' Theory of Vibration with

Applications'', 3rd Ed., Prentice-Hall Inc., Englewood Cliffs, 1988, page 165 </ref>

It should be noted that becauseBecause the lower modes are desired, solving the system

more likely involves the equivalent of multiplying through by the inverse of the stiffness,

<math> [K]^{-1} </math>, a process called [[inverse iteration]].<ref> Hughes, Thomas J. R., ''The Finite Element Method'', Prentice-Hall Inc.,